Diposkan oleh Rosmana A.P. Saturday, February 27, 2010

There are a lot of proccesses in our body. Usually, these proccesses are really complicated. Some of them even happens in our cells. This is shows how complicated the proccesses that thappens in our body. Most of this proccesses use chemical substance, espescially acid and base substance. Of course there are also others factors that make the proccesses work. For example pH. Temperature, and many others.

pH is one of the factors. Some enzymes or cells need the right pH to work functionally. For example is our blood. Humans blood pH must around 7.6 to make the blood works properly and functionally. But, if this pH decrease below 7.4, blood won't work properly. Even the pH only a little below 7.4.

The same case also happens if the blood's pH is higher than 7.8, human's blood will not work properly. But, how our body can maintain this narrow blood's pH range? Although there are a lot of chemical substance in our body that are highly acid like HCl (pH around 1 to 2).

Buffer one of substance that maintain the blood's pH. Buffer solution is a kind of solution which consist of two kind of solution. a weak acid solution and it's salt or a weak base and it's salt. Mechanisms in buffer solution allow it to maintain the blood's pH.

If the buffer solution is consists of weak acid and it's salt, when a solution with this buffer solution will have almost the same pH before it is mixed (with base). Theorically, the weak acid in buffer solution will react with base to form H2O and it's acid conjugation. Wherease this acid conjugation will react with the weak acid's salt to reform the weak acid. this always happens every times some base are put into the solution. That's why a solution which added with buffer solution will have almost same pH. This is also happens to a solution that added with buffer solution that consist of weak base and it's salt.

These buffer solution may mantain the pH of chemical solution in our body. These solutions are really important for our lives. If these solutions are none in our body, our body may not work properly and it may cause death. that's why these solutions are really important for our body.

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  2. Tak kirain buffer video dari youtube,,,

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  3. waaah ada mas qory juga yaaa

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  4. waaaah bahasa iNgGris.,,
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  5. aviorclef Says:
  6. -_-_-_-_-_-_-Cosmorary-_-_-_-_-_-_-
    *******Salam ‘Blog’!!*******
    “Buffer= Dapar. Ya kan???”

  7. attayaya Says:
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